(C)
"Condensate stripper
system" means a system in which total reduced sulfur gasses, partially
dissolved in the digester and multiple effect evaporator off-gas condensate,
are stripped by means of a countercurrent flow of air or steam in multi-stage
columns.

(D)
"Digester system"
means any continuous or batch process in which white liquor is used to cook the
wood pulp, and includes any associated flash tanks, blow tanks, chip steamers
and condensors.

(F)
"Lime kiln"
means a unit used to calcine calcium carbonate, commonly known as "lime mud,"
into calcium oxide, commonly known as "quicklime."

(G)
"Multiple-effect evaporator system" means
the multiple-effect evaporator including any associated condensors and hotwells
used to concentrate the black liquor.

(H)
"Recovery furnace" means a straight Kraft
recovery furnace including any direct contact evaporators, designed to recover
chemicals necessary for the pulp cooking process through the combustion of
black liquor containing less than seven per cent liquor such as neutral sulfite
semichemical from a soda-based semichemical pulping process on a quarterly
basis.

(I)
"Smelt dissolving tank"
means a vessel used for dissolving smelt from a recovery furnace.

(J)
"Soda-based semichemical pulping
operation" means any operation in which pulp is produced from wood by cooking
or digesting wood chips in a soda-based semichemical such as neutral sulfite
semichemical.

(K)
"Total reduced
sulfur" means the sum of the sulfur compounds hydrogen sulfide, methyl
mercaptan, dimethyl sulfide and dimethyl disulfide, that are released during
the Kraft pulping operation and measured by methods specified in rule
3745-73-04 of the Administrative
Code.

(L)
Reference to materials.
This chapter includes references to certain matter or materials. The text of
the referenced material is not included in the rules contained in this chapter.
Information on the availability of the referenced materials as well as the date
of, or
the particular edition or version of the material is included in this rule. For
materials subject to change, only the specific versions specified in this rule
are referenced. Material is referenced as it exists on the effective date of
this rule. Except for subsequent annual publication of existing (unmodified)
Code of Federal Regulation compilations, any amendment or revision to a
referenced document is not applicable unless and until this rule has been
amended to specify the new dates.

Code of Federal Regulations (CFR). Information and copies may
be obtained by writing to: "Superintendent of Documents, Attn: New Orders, P.
O. Box 371954, Pittsburgh, PA 15250-7954." The full text of the CFR is also
available in electronic format at www.ecfr.gov. The CFR compilations are
also available for inspection and use at most public libraries and "The State
Library of Ohio."

(A)
All compliance times and other deadlines
set forth in paragraph (C) of this rule shall be measured from November 1,
1984.

(B)
No later than February 1,
1985, any owner or operator of any air contaminant source subject to rule
3745-73-03 of the Administrative
Code shall do one of the following:

(1)
Certify in writing to the director that
the source is in compliance with rule
3745-73-03 of the Administrative
Code. The certification shall include: description of the equipment, the Ohio
environmental protection agency permit application number (if assigned), all
necessary data and calculations necessary to confirm the compliance status, and
an application for a permit to operate the source in accordance with rule
3745-35-02 of the Administrative
Code if the sources does not possess an effective permit.

(2)
Submit an application for a
permit-to-operate or an application for modification of a permit-to-operate in
accordance with rule
3745-35-02 of the Administrative
Code. The application shall include a compliance program and time schedule
which will bring the source into compliance with all the requirements of this
rule and rule
3745-73-03 of the Administrative
Code as expeditiously as practicable but in no event later than the dates
specified in paragraph (C) of this rule, and shall identify all reasonable
interim control measures.

(C)
Any owner or operator of an air
contaminant source in violation of the limitations specified in rule
3745-73-03 of the Administrative
Code shall comply with the requirements as expeditiously as practicable, but in
no event later than the following dates
:

(1)
Owners or operators of any recovery
furnace in violation of paragraph (A)(1) of the rule
3745-73-03 of the Administrative
Code shall achieve final compliance by March 1, 1988.

(2)
Owners or operators of any digester
system in violation of paragraph (A)(2) of rule
3745-73-03 of the Administrative
Code shall achieve final compliance by July 1, 1986.

(3)
Owners or operators of any
multiple-effect evaporator system in violation of paragraph (A)(3) of rule
3745-73-03 of the Administrative
Code shall achieve final compliance by July 1, 1986.

(4)
Owners or operators of any lime kiln in
violation of paragraph (A)(4) of rule
3745-73-03 of the Administrative
Code shall achieve final compliance by November 1, 1986.

(5)
Owners or operators of any condensate
stripper system in violation of paragraph (A) (5) of rule
3745-73-03 of the Administrative
Code shall achieve final compliance by July 1, 1986.

(6)
Owners or operators of any smelt
dissolving tank in violation of paragraph (A) (6) of rule
3745-73-03 of the Administrative
Code shall achieve final compliance by July 1, 1986.

(7)
The director may extend the final
compliance obligation for any facilities within an existing Kraft pulp mill,
for a period not to exceed four years after the effective date of the "Ohio
State Implementation Plan" for the control of total reduced sulfur emissions,
upon a showing that because of the limited remaining useful life of such
facilities, they will be replaced or modified in a manner which makes them
subject to federal new source performance standards.

(D)
The director may modify the requirements of rule
3745-73-03 of the Administrative
Code as those requirements apply to a facility, upon a showing that compliance
with a requirement within the prescribed time is technically infeasible,
economically unreasonable, or impossible because of conditions beyond the
control of the applicant. Any such determination by the director shall be based
upon consideration of the remaining useful life of the facility and such other
factors as the director deems appropriate.

(A)
No owner or operator of any Kraft pulp
mill shall cause or permit the emission of total reduced sulfur from the
following sources to exceed the following specified limits or federal new
source performance standards, whichever is less stringent, as measured on a
twelve-hour average basis:

(1)
Recovery
furnaces: five parts per million on a dry basis, and as a twelve-hour average,
corrected to eight per cent oxygen by volume.

(2)
Digester systems: five parts per million
on a dry basis and as a twelve-hour average, corrected to ten per cent oxygen
by volume.

(3)
Multiple-effect
evaporator systems: five parts per million on a dry basis and as a twelve-hour
average, corrected to ten per cent oxygen by volume.

(a)
Twenty parts per million on a dry basis
and as a twelve-hour average, corrected to ten per cent oxygen by volume for
lime kilns operated with cold-end temperatures in excess of five hundred
degrees Fahrenheit or having a length-to-diameter ratio of less than twenty to
one.

(b)
Forty parts per million on
a dry basis and as a twelve-hour average, corrected to ten per cent oxygen by
volume, for lime kilns operated with cold-end temperatures of less than five
hundred degrees Fahrenheit or having a length-to-diameter ratio of
more
than twenty to one.

(5)
Condensate stripper systems: five parts per million on a dry basis and as a
twelve-hour average, corrected to ten per cent oxygen by volume.

(B)
No owner or operator of any Kraft pulp
mill shall cause or permit the emission of total reduced sulfur from any source
not regulated by paragraph (A) of this rule, but which is used as a point of
incineration of reduced sulfur emissions from a source regulated by paragraph
(A) of this rule, to exceed a maximum of five parts per million on a dry basis
and as a twelve-hour average, corrected to eight per cent oxygen.

(C)
Emissions from recovery furnaces which
exceed the emission limits contained in this rule, from sources on which
construction or modification commenced on or before September 24, 1976, shall
not be considered excess emissions if the following
occur:

(1)
Not more than one per cent of all twelve-hour averages
of total reduced sulfur per quarter exceed the standard specified in paragraph
(A)(1) of this rule.

(D)
Emissions from lime kilns which exceed the emission limits contained in this
rule, from sources on which construction or modification commenced on or before
September 24, 1976, shall not be considered excess emissions if
the following occur:

(1)
Not more than two
per cent of all twelve-hour averages of total reduced sulfur per quarter exceed
the standard specified in paragraph (A)(4) of this rule.

[Comment: For dates of non-regulatory government publications,
publications of recognized organizations and associations, federal rules, and
federal statutory provisions referenced in this rule, see paragraph (L) of rule
3745-73-01 of the Administrative
Code titled "Reference to materials."]

(A)
Compliance with any applicable emission
limit for total reduced sulfur as specified in rule
3745-73-03 of the Administrative
Code shall be determined according to one of the following:

(1)
One of the reference methods described in
40 CFR Part 60, Appendix A.

(2)
Any
method determined by the director to be equivalent to paragraph (A)(1) of this
rule.

(B)
In lieu of the
procedure specified in paragraph (A) of this rule, the owner or operator of a
source that is subject to this chapter may elect to monitor compliance through
use of a continuous monitor. The continuous monitor shall operate at least
seventy per cent of the time during any calendar quarter. In the event the
monitor malfunctions and is unusable for more than twenty-five per cent of the
time during a calendar quarter, the director shall be notified in writing
specifying the cause of the monitor malfunction, actions being taken to correct
the malfunction and the estimated time before the monitor will be
functional.